This Week in Evolution

Nels and Vincent examines the use of AI and genome language models to design novel derivatives of bacteriophage phiX174. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server AI design of bacteriophage phiX174 derivatives (bioRxiv) Timestamps by Jolene Science Picks Nels – NIH official resigns after flap over risks of seasonal flu virus study and The Office of Science and Technology Policy (OSTP) requests input from all interested parties on Federal policy updates that aim to accelerate the American scientific enterprise, enable groundbreaking discoveries, and ensure that scientific progress and technological innovation benefit all Americans. Vincent – One Plus One Equals One: Symbiosis and the evolution of complex life by John Archibald Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explain research which shows that insertion of a retrovirus into the genome regulates a novel color trait in swordtail fish. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Retrovirus and swordfish scale color (bioRxiv) Timestamps by Jolene Science Picks Nels – Some like it hot! A geothermal amoeba sets a new upper temperature limit for eukaryotes and Kara Marshall's talk on history of science/science funding in the US, family connections to medical care, and her own lab's work at Baylor College of Medicine Vincent – NIH shake-up to grant decision-making draws concerns of political meddling Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explain research attempting to explain why among humans, females around the world live on average 5 years longer than males, but the trend is reversed in many birds, amphibians, and insects. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Sexual selection drives sex difference in adult life expectancy (Sci Adv) Timestamps by Jolene Science Picks 1:37:00 Nels – NIH Leadership Is Failing Early Career Researchers Vincent – Kennedy's Comments on Circumcision Are Only Going to Confuse and Shame Parents Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv  

Nels and Vincent discuss research which shows a shift from the rule that living organisms produce same-species offspring: an ant that produces individuals from two distinct species. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server David Baltimore interview (TWiV 100) One mother for two species (Nature) Timestamps by Jolene Science Picks Nels – Dr. Bill Rom, NYU canoes every lake connected by a portage trail in the Boundary Waters in Minnesota Vincent – Google just made photography obsolete Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent discuss research on hidden evolutionary constraints that dictate the retention of coronavirus accessory gene, which was flagged by NIH as potentially dangerous gain-of-function research. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Hidden evolutionary constraints and retention of coronavirus accessory genes (Curr Biol) Timestamps by Jolene Science Picks Nels – NIH suspends dozens of pathogen studies over 'gain-of-function' concerns and Mentorship and acts of kindness Vincent – Kennedy's case against mRNA vaccines collapses under his own evidence Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent review research on how neuropeptides influence the behavior of leafcutter ants, and regulate the different caste behaviors such as defenders, leaf foragers, brood care, and fungus farming. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Neuropeptides and behavior of leaf cutter ants (Cell) Timestamps by Jolene Science Picks Nels – My academic job offer was rescinded. I'll keep going—but U.S. researchers are running out of road Vincent – There's a new acid in our rain — should we be worried? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent discuss an ultra reduced archaeal genome, the closest cellular entity to date that approaches a viral strategy of existence. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Ultra-reduced archaeal genome (bioRxiv) Timestamps by Jolene Science Picks Nels – The Bethesda Declaration Vincent – US to Drop Guidance to Limit Alcohol to One or Two Drinks Per Day, Sources Say Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent review the properties of Mendel's pea genes through the lens of modern genetic analysis. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Insights into Mendel's pea genes (Nature) Timestamps by Jolene Science Picks Nels – Evolution related game Vincent – Should Unvaccinated Patients Get Organ Transplants? Ethicist Weighs In Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explain the ancestry and evolution of the extinct dire wolf. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Evolution and ancestry of dire wolf (bioRxiv) Timestamps by Jolene Science Picks Nels – Navigating to the forefront of innovation: A celebration of immigrant scientists Vincent – Exclusive: a Nature analysis signals the beginnings of a US science brain drain Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explain the ancient evolutionary origin of sex in cephalopods. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Evolution of sex in cephalopods (Current Biol) Timestamps by Jolene Science Picks Nels – Speaking into a microphone? Your audio quality can impact the way people view you Vincent – Remedy Supported by Kennedy Leaves Some Measles Patients More Ill Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explain how template switching during DNA replication is a widespread source of adaptive gene amplification. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Template switching and gene amplification (eLife) Timestamps by Jolene Science Picks Nels – Jeremy Berg on Bluesky – jeremymberg.bsky.social Vincent – Dickson Despommier, 84 Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent reveal that worker ants amputate their colleagues injured leg to prevent infections. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Wound-dependent leg amputation in ants (Curr Biol) Timestamps by Jolene Science Picks Nels – The Science Bridge Vincent – US withdraws from WHO Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent discuss the molecular and genetic origins of sex-linked orange coat color in cats. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Orange coat color in cats (bioRxiv) Timestamps by Jolene Science Picks Nels – AI takes up science podcasting Vincent – Humans evolved for distance running – but ancestor 'Lucy' didn't go far or fast Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent review the identification of a novel virus associated with the pathogen Plasmodium knowlsei and which is part part of a diverse and unclassified viral taxon. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Virus associated with P. knowlsei (bioRxiv) Timestamps by Jolene Science Picks Nels – The peace of wild things, poem by Wendell Berry Vincent – All Life on Earth Today Descended From a Single Cell. Meet LUCA Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent discuss the origins of eukaryotes, with contributions from at least 3 bacteria (alphaproteobacteria) and a large contribution from DNA viruses with large genomes. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Complex symbiotic interactions during eukaryogenesis (bioRxiv) Timestamps by Jolene Science Picks Nels – Pathoplexus.org Vincent – Can science cure its addiction to plastic? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explain how homology searches of anti-phage systems in eukaryotic genomes can be used to discover proteins of the human immune system. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Human antiviral effectors from antiphage systems (Cell Host Micro) Timestamps by Jolene Science Picks Nels – Pathoplexus.org Vincent – Can science cure its addiction to plastic? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent look at how plant prickles, sharp epidermal projections that provide defense from predators and other advantages, arose by convergent evolution, the emergence of analogous traits in distantly related species. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Convergent evolution of plant prickles (Science) Timestamps by Jolene Science Picks Nels – Trees as a metaphor to understand relationships in biology Vincent – Project 2025 vs. The Public's Health Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent discuss the genome sequence of an ancient wooly mammoth, which shows that the three-dimensional architecture of the DNA can persist after 50,000 years. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Three dimensional architecture of 50,000 year old wooly mammoth genome (Cell) Timestamps by Jolene Science Picks Nels – Mysterious SARS-CoV-2 variants showing up in sewer samples Vincent – 'Cocaine sharks' found in waters off Brazil Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explore a direct experimental test of Ohno's Hypothesis, which states that gene duplication can help genes tolerate new mutations and thus facilitates the evolution of new phenotypes. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Direct test of Ohno's Hypothesis (eLive) Timestamps by Jolene Science Picks Nels – Experimental Evolution and the Nature of Biodiversity Vincent – Is science's dominant funding model broken? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv

Nels and Vincent explain how deep genomics of macroalgae illuminate multiple paths to aquatic, photosynthetic multicellularity. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Paths to aquatic, photosynthetic multicellularity (Mol Plant) Timestamps by Jolene Science Picks Nels – 12-sided Roman relic baffles archaeologists, spawns countless theories Vincent – TWiEVO 11: Microbial accomplices in multicellularity and the follow up Synergistic Cues from Diverse Bacteria Enhance Multicellular Development in a Choanoflagellate Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv